Common types of employer-sponsored retirement accounts that fall under ERISA include 401(k) plans, pensions, deferred-compensation plans, and profit-sharing plans. In addition, ERISA laws don't apply to simplified employee pension (SEP) IRAs or other IRAs.
All pension benefit plans and welfare benefit plans covered by ERISA must file a Form 5500 or Form 5500-SF for a plan year unless they are eligible for a filing exemption. (See Code sections 6058 and 6059 and ERISA sections 104 and 4065).
Check Your Plan Documents: Review your Summary Plan Description (SPD) or other documents. ERISA plans must provide an SPD that clearly states they are an ERISA plan. Look at Employer Contributions: If your employer contributes to the plan or matches your contributions, it's likely an ERISA plan.
ERISA stands for Employee Retirement Income Security Act, which is a federal law that sets minimum standards for retirement plans in the private sector. Non-ERISA plans, on the other hand, are not governed by ERISA and are not subject to its regulations.
ERISA also does not cover plans maintained outside the United States primarily for the benefit of nonresident aliens or unfunded excess benefit plans.
In general, ERISA does not cover plans established or maintained by governmental entities, churches for their employees, or plans which are maintained solely to comply with applicable workers compensation, unemployment or disability laws.
ERISA plan is not subject to the strict ERISA fiduciary standards regarding exclusive benefits, prudent care, and diversification, but it is subject to state law and other standards.
You can file paper Form 5558 with the Department of the Treasury, Internal Revenue Service Center, Ogden, UT 84201-0045. Private delivery services. You can use certain private delivery services (PDSs) designated by the IRS to meet the “timely mailing as timely filing” rule for tax returns.
ERISA exempts only two types of employers: Employee benefit plans maintained by governmental employers are exempt from ERISA's requirements. This exemption includes plans maintained by the federal, state or local (for example, a city, county or township) governments. Church plans are also exempt from ERISA.